Respuesta :

Answer

6.32

Step-by-step explanation:

the answer is 6.32

you can find it with this simple way:

40 |2

20 |2

10 |2

5 |5

1

Now you have to square all the numbers and put them in roots

[tex] \sqrt{2 {}^{2} } \times \sqrt{2} \times \sqrt{5} [/tex]

and then we have:

[tex]2 \sqrt{2} + \sqrt{5} [/tex]

[tex]2 \sqrt{10} [/tex]

The answer is

[tex]2 \sqrt{10} [/tex]